Home / 281,817,882.40-422,726,823.60-189,984,877.60

Finding the Fourth Proportional to 281,817,882.40, 422,726,823.60 and 189,984,877.60

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Solution

The fourth proportional to 281,817,882.40, 422,726,823.60 and 189,984,877.60 is: 284,977,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,817,882.40 : 422,726,823.60 = 189,984,877.60 : x
  2. Step 2: Convert to fraction form
    281,817,882.40/422,726,823.60 = 189,984,877.60/x
  3. Step 3: Cross multiply
    281,817,882.40x = 422,726,823.60 × 189,984,877.60
  4. Step 4: Simplify right side
    281,817,882.40x = 80,311,703,839,882,800
  5. Step 5: Solve for x
    x = 80,311,703,839,882,800/281,817,882.40
  6. Step 6: Final answer
    x = 284,977,316.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.